Update doc for external link target (#194)

kevinresol · QingWei-Li · commit d469442eae63 · 2017-06-16T16:14:23.000+08:00
diff --git a/docs/configuration.md b/docs/configuration.md
@@ -333,7 +333,7 @@ window.$docsify = {
 
 ## external-link-target
 
-Currently it defaults to _blank, would be nice if configurable:
+Target to open external links. Default `'_blank'` (new window/tab)
 
 ```js
 window.$docsify = {
